package direct;

import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import constant.Constants;

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeoutException;

public class ProducerDemo {
    public static void main(String[] args) throws IOException, TimeoutException {
        //建立连接
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost(Constants.HOST);
        connectionFactory.setPort(Constants.PORT);
        connectionFactory.setUsername(Constants.USERNAME);
        connectionFactory.setPassword(Constants.PASSWORD);
        connectionFactory.setVirtualHost(Constants.VIRTUAL_HOST);
        Connection connection = connectionFactory.newConnection();

        //创建信道
        Channel channel = connection.createChannel();

        //声明交换机
        channel.exchangeDeclare(Constants.DIRECT_EXCHANGE, BuiltinExchangeType.DIRECT, true);

        //声明队列
        channel.queueDeclare(Constants.DIRECT_QUEUE1, true, false, false, null);
        channel.queueDeclare(Constants.DIRECT_QUEUE2, true, false, false, null);

        /**
         * 绑定交换机与队列
         */
        channel.queueBind(Constants.DIRECT_QUEUE1, Constants.DIRECT_EXCHANGE, "a");
        channel.queueBind(Constants.DIRECT_QUEUE2, Constants.DIRECT_EXCHANGE, "a");
        channel.queueBind(Constants.DIRECT_QUEUE2, Constants.DIRECT_EXCHANGE, "b");
        channel.queueBind(Constants.DIRECT_QUEUE2, Constants.DIRECT_EXCHANGE, "c");

        /**
         * 发送消息
         */
        String message1 = "routingKey is a";
        channel.basicPublish(Constants.DIRECT_EXCHANGE, "a", null, message1.getBytes(StandardCharsets.UTF_8));

        String message2 = "routingKey is b";
        channel.basicPublish(Constants.DIRECT_EXCHANGE, "b", null, message2.getBytes(StandardCharsets.UTF_8));

        String message3 = "routingKey is c";
        channel.basicPublish(Constants.DIRECT_EXCHANGE, "c", null, message3.getBytes(StandardCharsets.UTF_8));

        /**
         * 关闭连接
         */
        channel.close();
        connection.close();
    }
}
